# REQUIRES: system-linux
# RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %s -o %t1.o
# RUN: %clang %cflags -dwarf-5 %t1.o -o %t.exe -Wl,-q -Wl,-gc-sections -fuse-ld=lld -Wl,--entry=main
# RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections
# RUN: llvm-dwarfdump --debug-info %t.exe | FileCheck --check-prefix=PRECHECK %s
# RUN: llvm-dwarfdump --debug-info %t.bolt | FileCheck --check-prefix=POSTCHECK %s
# PRECHECK: DW_TAG_subprogram
# PRECHECK-NEXT: DW_AT_ranges
# PRECHECK-NEXT: [0x0000000000000000
# PRECHECK-NEXT: [0x0000000000000000
# PRECHECK-NEXT: [0x0000000000000000
# PRECHECK-NEXT: [0x0000000000000000
# PRECHECK-NEXT: DW_AT_frame_base
# PRECHECK-NEXT: DW_AT_linkage_name ("_Z6helperi")
# PRECHECK-NEXT: DW_AT_name ("helper")
# POSTCHECK: DW_TAG_subprogram
# POSTCHECK-NEXT: DW_AT_frame_base
# POSTCHECK-NEXT: DW_AT_linkage_name ("_Z6helperi")
# POSTCHECK-NEXT: DW_AT_name ("helper")
# POSTCHECK-NEXT: DW_AT_decl_file
# POSTCHECK-NEXT: DW_AT_decl_line
# POSTCHECK-NEXT: DW_AT_type
# POSTCHECK-NEXT: DW_AT_external
# POSTCHECK-NEXT: DW_AT_low_pc (0x0000000000000000)
# POSTCHECK-NEXT: DW_AT_high_pc (0x0000000000000001)
## Tests BOLT path that handles DW_AT_ranges with no output function ranges.
## clang++ main.cpp -O0 -fno-inline-functions -fbasic-block-sections=all -g2 -S
## int helper(int argc) {
## int x = argc;
## if (x == 3)
## x++;
## else
## x--;
## return x;
## }
## int main(int argc, char *argv[]) {
## int x = argc;
## if (x == 3)
## x++;
## else
## x--;
## return x;
## }
.text
.file "main.cpp"
.section .text._Z6helperi,"ax",@progbits
.globl _Z6helperi # -- Begin function _Z6helperi
.p2align 4, 0x90
.type _Z6helperi,@function
_Z6helperi: # @_Z6helperi
.Lfunc_begin0:
.file 0 "/repro2" "main.cpp" md5 0x888a2704226ec400f256aa9c2207456c
.loc 0 1 0 # main.cpp:1:0
.cfi_startproc
# %bb.0: # %entry
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset %rbp, -16
movq %rsp, %rbp
.cfi_def_cfa_register %rbp
movl %edi, -4(%rbp)
.Ltmp0:
.loc 0 2 11 prologue_end # main.cpp:2:11
movl -4(%rbp), %eax
.loc 0 2 7 is_stmt 0 # main.cpp:2:7
movl %eax, -8(%rbp)
.Ltmp1:
.loc 0 3 9 is_stmt 1 # main.cpp:3:9
cmpl $3, -8(%rbp)
.Ltmp2:
.loc 0 3 7 is_stmt 0 # main.cpp:3:7
jne _Z6helperi.__part.2
jmp _Z6helperi.__part.1
.LBB_END0_0:
.cfi_endproc
.section .text._Z6helperi,"ax",@progbits,unique,1
_Z6helperi.__part.1: # %if.then
.cfi_startproc
.cfi_def_cfa %rbp, 16
.cfi_offset %rbp, -16
.loc 0 4 6 is_stmt 1 # main.cpp:4:6
movl -8(%rbp), %eax
addl $1, %eax
movl %eax, -8(%rbp)
.loc 0 4 5 is_stmt 0 # main.cpp:4:5
jmp _Z6helperi.__part.3
.LBB_END0_1:
.size _Z6helperi.__part.1, .LBB_END0_1-_Z6helperi.__part.1
.cfi_endproc
.section .text._Z6helperi,"ax",@progbits,unique,2
_Z6helperi.__part.2: # %if.else
.cfi_startproc
.cfi_def_cfa %rbp, 16
.cfi_offset %rbp, -16
.loc 0 6 6 is_stmt 1 # main.cpp:6:6
movl -8(%rbp), %eax
addl $-1, %eax
movl %eax, -8(%rbp)
jmp _Z6helperi.__part.3
.LBB_END0_2:
.size _Z6helperi.__part.2, .LBB_END0_2-_Z6helperi.__part.2
.cfi_endproc
.section .text._Z6helperi,"ax",@progbits,unique,3
_Z6helperi.__part.3: # %if.end
.cfi_startproc
.cfi_def_cfa %rbp, 16
.cfi_offset %rbp, -16
.loc 0 7 10 # main.cpp:7:10
movl -8(%rbp), %eax
.loc 0 7 3 epilogue_begin is_stmt 0 # main.cpp:7:3
popq %rbp
.cfi_def_cfa %rsp, 8
retq
.LBB_END0_3:
.size _Z6helperi.__part.3, .LBB_END0_3-_Z6helperi.__part.3
.cfi_endproc
.section .text._Z6helperi,"ax",@progbits
.Lfunc_end0:
.size _Z6helperi, .Lfunc_end0-_Z6helperi
# -- End function
.section .text.main,"ax",@progbits
.globl main # -- Begin function main
.p2align 4, 0x90
.type main,@function
main: # @main
.Lfunc_begin1:
.loc 0 9 0 is_stmt 1 # main.cpp:9:0
.cfi_startproc
# %bb.0: # %entry
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset %rbp, -16
movq %rsp, %rbp
.cfi_def_cfa_register %rbp
movl $0, -4(%rbp)
movl %edi, -8(%rbp)
movq %rsi, -16(%rbp)
.Ltmp3:
.loc 0 10 11 prologue_end # main.cpp:10:11
movl -8(%rbp), %eax
.loc 0 10 7 is_stmt 0 # main.cpp:10:7
movl %eax, -20(%rbp)
.Ltmp4:
.loc 0 11 9 is_stmt 1 # main.cpp:11:9
cmpl $3, -20(%rbp)
.Ltmp5:
.loc 0 11 7 is_stmt 0 # main.cpp:11:7
jne main.__part.2
jmp main.__part.1
.LBB_END1_0:
.cfi_endproc
.section .text.main,"ax",@progbits,unique,4
main.__part.1: # %if.then
.cfi_startproc
.cfi_def_cfa %rbp, 16
.cfi_offset %rbp, -16
.loc 0 12 6 is_stmt 1 # main.cpp:12:6
movl -20(%rbp), %eax
addl $1, %eax
movl %eax, -20(%rbp)
.loc 0 12 5 is_stmt 0 # main.cpp:12:5
jmp main.__part.3
.LBB_END1_1:
.size main.__part.1, .LBB_END1_1-main.__part.1
.cfi_endproc
.section .text.main,"ax",@progbits,unique,5
main.__part.2: # %if.else
.cfi_startproc
.cfi_def_cfa %rbp, 16
.cfi_offset %rbp, -16
.loc 0 14 6 is_stmt 1 # main.cpp:14:6
movl -20(%rbp), %eax
addl $-1, %eax
movl %eax, -20(%rbp)
jmp main.__part.3
.LBB_END1_2:
.size main.__part.2, .LBB_END1_2-main.__part.2
.cfi_endproc
.section .text.main,"ax",@progbits,unique,6
main.__part.3: # %if.end
.cfi_startproc
.cfi_def_cfa %rbp, 16
.cfi_offset %rbp, -16
.loc 0 15 10 # main.cpp:15:10
movl -20(%rbp), %eax
.loc 0 15 3 epilogue_begin is_stmt 0 # main.cpp:15:3
popq %rbp
.cfi_def_cfa %rsp, 8
retq
.LBB_END1_3:
.size main.__part.3, .LBB_END1_3-main.__part.3
.cfi_endproc
.section .text.main,"ax",@progbits
.Lfunc_end1:
.size main, .Lfunc_end1-main
# -- End function
.section .debug_abbrev,"",@progbits
.byte 1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 1 # DW_CHILDREN_yes
.byte 37 # DW_AT_producer
.byte 37 # DW_FORM_strx1
.byte 19 # DW_AT_language
.byte 5 # DW_FORM_data2
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 114 # DW_AT_str_offsets_base
.byte 23 # DW_FORM_sec_offset
.byte 16 # DW_AT_stmt_list
.byte 23 # DW_FORM_sec_offset
.byte 27 # DW_AT_comp_dir
.byte 37 # DW_FORM_strx1
.byte 17 # DW_AT_low_pc
.byte 1 # DW_FORM_addr
.byte 85 # DW_AT_ranges
.byte 35 # DW_FORM_rnglistx
.byte 115 # DW_AT_addr_base
.byte 23 # DW_FORM_sec_offset
.byte 116 # DW_AT_rnglists_base
.byte 23 # DW_FORM_sec_offset
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 2 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 85 # DW_AT_ranges
.byte 35 # DW_FORM_rnglistx
.byte 64 # DW_AT_frame_base
.byte 24 # DW_FORM_exprloc
.byte 110 # DW_AT_linkage_name
.byte 37 # DW_FORM_strx1
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 63 # DW_AT_external
.byte 25 # DW_FORM_flag_present
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 3 # Abbreviation Code
.byte 5 # DW_TAG_formal_parameter
.byte 0 # DW_CHILDREN_no
.byte 2 # DW_AT_location
.byte 24 # DW_FORM_exprloc
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 4 # Abbreviation Code
.byte 52 # DW_TAG_variable
.byte 0 # DW_CHILDREN_no
.byte 2 # DW_AT_location
.byte 24 # DW_FORM_exprloc
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 5 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 85 # DW_AT_ranges
.byte 35 # DW_FORM_rnglistx
.byte 64 # DW_AT_frame_base
.byte 24 # DW_FORM_exprloc
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 63 # DW_AT_external
.byte 25 # DW_FORM_flag_present
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 6 # Abbreviation Code
.byte 36 # DW_TAG_base_type
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 62 # DW_AT_encoding
.byte 11 # DW_FORM_data1
.byte 11 # DW_AT_byte_size
.byte 11 # DW_FORM_data1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 7 # Abbreviation Code
.byte 15 # DW_TAG_pointer_type
.byte 0 # DW_CHILDREN_no
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 0 # EOM(3)
.section .debug_info,"",@progbits
.Lcu_begin0:
.long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
.Ldebug_info_start0:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
.byte 1 # Abbrev [1] 0xc:0x82 DW_TAG_compile_unit
.byte 0 # DW_AT_producer
.short 33 # DW_AT_language
.byte 1 # DW_AT_name
.long .Lstr_offsets_base0 # DW_AT_str_offsets_base
.long .Lline_table_start0 # DW_AT_stmt_list
.byte 2 # DW_AT_comp_dir
.quad 0 # DW_AT_low_pc
.byte 2 # DW_AT_ranges
.long .Laddr_table_base0 # DW_AT_addr_base
.long .Lrnglists_table_base0 # DW_AT_rnglists_base
.byte 2 # Abbrev [2] 0x2b:0x23 DW_TAG_subprogram
.byte 0 # DW_AT_ranges
.byte 1 # DW_AT_frame_base
.byte 86
.byte 3 # DW_AT_linkage_name
.byte 4 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 1 # DW_AT_decl_line
.long 123 # DW_AT_type
# DW_AT_external
.byte 3 # Abbrev [3] 0x37:0xb DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 124
.byte 7 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 1 # DW_AT_decl_line
.long 123 # DW_AT_type
.byte 4 # Abbrev [4] 0x42:0xb DW_TAG_variable
.byte 2 # DW_AT_location
.byte 145
.byte 120
.byte 8 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 2 # DW_AT_decl_line
.long 123 # DW_AT_type
.byte 0 # End Of Children Mark
.byte 5 # Abbrev [5] 0x4e:0x2d DW_TAG_subprogram
.byte 1 # DW_AT_ranges
.byte 1 # DW_AT_frame_base
.byte 86
.byte 6 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 9 # DW_AT_decl_line
.long 123 # DW_AT_type
# DW_AT_external
.byte 3 # Abbrev [3] 0x59:0xb DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 120
.byte 7 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 9 # DW_AT_decl_line
.long 123 # DW_AT_type
.byte 3 # Abbrev [3] 0x64:0xb DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 112
.byte 9 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 9 # DW_AT_decl_line
.long 127 # DW_AT_type
.byte 4 # Abbrev [4] 0x6f:0xb DW_TAG_variable
.byte 2 # DW_AT_location
.byte 145
.byte 108
.byte 8 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 10 # DW_AT_decl_line
.long 123 # DW_AT_type
.byte 0 # End Of Children Mark
.byte 6 # Abbrev [6] 0x7b:0x4 DW_TAG_base_type
.byte 5 # DW_AT_name
.byte 5 # DW_AT_encoding
.byte 4 # DW_AT_byte_size
.byte 7 # Abbrev [7] 0x7f:0x5 DW_TAG_pointer_type
.long 132 # DW_AT_type
.byte 7 # Abbrev [7] 0x84:0x5 DW_TAG_pointer_type
.long 137 # DW_AT_type
.byte 6 # Abbrev [6] 0x89:0x4 DW_TAG_base_type
.byte 10 # DW_AT_name
.byte 6 # DW_AT_encoding
.byte 1 # DW_AT_byte_size
.byte 0 # End Of Children Mark
.Ldebug_info_end0:
.section .debug_rnglists,"",@progbits
.long .Ldebug_list_header_end0-.Ldebug_list_header_start0 # Length
.Ldebug_list_header_start0:
.short 5 # Version
.byte 8 # Address size
.byte 0 # Segment selector size
.long 3 # Offset entry count
.Lrnglists_table_base0:
.long .Ldebug_ranges0-.Lrnglists_table_base0
.long .Ldebug_ranges1-.Lrnglists_table_base0
.long .Ldebug_ranges2-.Lrnglists_table_base0
.Ldebug_ranges0:
.byte 3 # DW_RLE_startx_length
.byte 0 # start index
.uleb128 .LBB_END0_1-_Z6helperi.__part.1 # length
.byte 3 # DW_RLE_startx_length
.byte 1 # start index
.uleb128 .LBB_END0_2-_Z6helperi.__part.2 # length
.byte 3 # DW_RLE_startx_length
.byte 2 # start index
.uleb128 .LBB_END0_3-_Z6helperi.__part.3 # length
.byte 3 # DW_RLE_startx_length
.byte 3 # start index
.uleb128 .Lfunc_end0-.Lfunc_begin0 # length
.byte 0 # DW_RLE_end_of_list
.Ldebug_ranges1:
.byte 3 # DW_RLE_startx_length
.byte 4 # start index
.uleb128 .LBB_END1_1-main.__part.1 # length
.byte 3 # DW_RLE_startx_length
.byte 5 # start index
.uleb128 .LBB_END1_2-main.__part.2 # length
.byte 3 # DW_RLE_startx_length
.byte 6 # start index
.uleb128 .LBB_END1_3-main.__part.3 # length
.byte 3 # DW_RLE_startx_length
.byte 7 # start index
.uleb128 .Lfunc_end1-.Lfunc_begin1 # length
.byte 0 # DW_RLE_end_of_list
.Ldebug_ranges2:
.byte 3 # DW_RLE_startx_length
.byte 0 # start index
.uleb128 .LBB_END0_1-_Z6helperi.__part.1 # length
.byte 3 # DW_RLE_startx_length
.byte 1 # start index
.uleb128 .LBB_END0_2-_Z6helperi.__part.2 # length
.byte 3 # DW_RLE_startx_length
.byte 2 # start index
.uleb128 .LBB_END0_3-_Z6helperi.__part.3 # length
.byte 3 # DW_RLE_startx_length
.byte 3 # start index
.uleb128 .Lfunc_end0-.Lfunc_begin0 # length
.byte 3 # DW_RLE_startx_length
.byte 4 # start index
.uleb128 .LBB_END1_1-main.__part.1 # length
.byte 3 # DW_RLE_startx_length
.byte 5 # start index
.uleb128 .LBB_END1_2-main.__part.2 # length
.byte 3 # DW_RLE_startx_length
.byte 6 # start index
.uleb128 .LBB_END1_3-main.__part.3 # length
.byte 3 # DW_RLE_startx_length
.byte 7 # start index
.uleb128 .Lfunc_end1-.Lfunc_begin1 # length
.byte 0 # DW_RLE_end_of_list
.Ldebug_list_header_end0:
.section .debug_str_offsets,"",@progbits
.long 48 # Length of String Offsets Set
.short 5
.short 0
.Lstr_offsets_base0:
.section .debug_str,"MS",@progbits,1
.Linfo_string0:
.asciz "clang version 19.0.0git ([email protected]:ayermolo/llvm-project.git a1d8664d409cac2a923176a8e9a731385bde279e)" # string offset=0
.Linfo_string1:
.asciz "main.cpp" # string offset=108
.Linfo_string2:
.asciz "/repro2" # string offset=117
.Linfo_string3:
.asciz "_Z6helperi" # string offset=162
.Linfo_string4:
.asciz "helper" # string offset=173
.Linfo_string5:
.asciz "int" # string offset=180
.Linfo_string6:
.asciz "main" # string offset=184
.Linfo_string7:
.asciz "argc" # string offset=189
.Linfo_string8:
.asciz "x" # string offset=194
.Linfo_string9:
.asciz "argv" # string offset=196
.Linfo_string10:
.asciz "char" # string offset=201
.section .debug_str_offsets,"",@progbits
.long .Linfo_string0
.long .Linfo_string1
.long .Linfo_string2
.long .Linfo_string3
.long .Linfo_string4
.long .Linfo_string5
.long .Linfo_string6
.long .Linfo_string7
.long .Linfo_string8
.long .Linfo_string9
.long .Linfo_string10
.section .debug_addr,"",@progbits
.long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution
.Ldebug_addr_start0:
.short 5 # DWARF version number
.byte 8 # Address size
.byte 0 # Segment selector size
.Laddr_table_base0:
.quad _Z6helperi.__part.1
.quad _Z6helperi.__part.2
.quad _Z6helperi.__part.3
.quad .Lfunc_begin0
.quad main.__part.1
.quad main.__part.2
.quad main.__part.3
.quad .Lfunc_begin1
.Ldebug_addr_end0:
.ident "clang version 19.0.0git ([email protected]:ayermolo/llvm-project.git a1d8664d409cac2a923176a8e9a731385bde279e)"
.section ".note.GNU-stack","",@progbits
.addrsig
.section .debug_line,"",@progbits
.Lline_table_start0:
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